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authorAlberto Garcia <berto@igalia.com>2017-06-20 16:01:36 +0300
committerKevin Wolf <kwolf@redhat.com>2017-06-26 14:51:13 +0200
commit24990c5b959c3a24d76ccf96303c1f70556f1dd2 (patch)
tree70e5a8a385159b0e0c82967222c2b22a44ae22d7 /block/qcow2-cluster.c
parentee22a9d86921310672aa8775489217f3e2f5e1c6 (diff)
qcow2: Use offset_into_cluster() and offset_to_l2_index()
We already have functions for doing these calculations, so let's use them instead of doing everything by hand. This makes the code a bit more readable. Signed-off-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 01f210187c..3d341fd9cb 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -556,7 +556,7 @@ int qcow2_get_cluster_offset(BlockDriverState *bs, uint64_t offset,
/* find the cluster offset for the given disk offset */
- l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1);
+ l2_index = offset_to_l2_index(s, offset);
*cluster_offset = be64_to_cpu(l2_table[l2_index]);
nb_clusters = size_to_clusters(s, bytes_needed);
@@ -693,7 +693,7 @@ static int get_cluster_table(BlockDriverState *bs, uint64_t offset,
/* find the cluster offset for the given disk offset */
- l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1);
+ l2_index = offset_to_l2_index(s, offset);
*new_l2_table = l2_table;
*new_l2_index = l2_index;